Symptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Asymptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Symptomatic PE · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin probably leads to lower symptomatic PE compared with no thromboprophylaxis (moderate certainty).
1 finding from 1 review
Symptomatic PE · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin showed no clear difference in symptomatic PE compared with with active control (1); GRADE not reported.
3 findings from 1 review
Symptomatic PE · ambulatory cancer patients receiving chemotherapy
Ultra‐low‐molecular‐weight heparin showed no clear difference in symptomatic PE compared with placebo (moderate certainty).
1 finding from 1 review
Symptomatic DVT · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin leads to lower symptomatic DVT compared with no thromboprophylaxis (high certainty).
1 finding from 1 review
Symptomatic VTE · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin showed no clear difference in symptomatic VTE compared with with active control (1) (low certainty).
3 findings from 1 review
RR 2.89 [0.12, 66.75]
1 study · 51 participants
Low
RR 0.51 [0.22, 1.17]
2 studies · 781 participants
Moderate
RR 0.33 [0.14, 0.83]
1 study · 439 participants
High
Symptomatic DVT · ambulatory cancer patients receiving chemotherapy
The review found no eligible studies for this question.
3 findings from 1 review
Symptomatic VTE · ambulatory cancer patients receiving chemotherapy
Low‐molecular‐weight heparin leads to lower symptomatic VTE compared with no thromboprophylaxis (high certainty).
1 finding from 1 review
Symptomatic VTE · ambulatory cancer patients receiving chemotherapy
Ultra‐low‐molecular‐weight heparin leads to lower symptomatic VTE compared with placebo (high certainty).
1 finding from 1 review
Symptomatic DVT · ambulatory cancer patients receiving chemotherapy
Ultra‐low‐molecular‐weight heparin leads to lower symptomatic DVT compared with placebo (high certainty).
1 finding from 1 review
Symptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Asymptomatic DVT · participants at risk of venous thromboembolism
1 finding from 1 review
Asymptomatic DVT · adults undergoing KA
It is very uncertain whether low‐molecular‐weight heparin changes asymptomatic DVT: compared with no prophylaxis (very low certainty).
1 finding from 1 review
Symptomatic DVT · adults undergoing KA
Low‐molecular‐weight heparin showed no clear difference in symptomatic DVT: assessed by presence of symptoms and confirmed by a… compared with no prophylaxis (low certainty).
1 finding from 1 review
Symptomatic venous thromboembolism · prevention of venous thromboembolism in patients with lower‐limb immobilization
Low molecular weight heparin may leads to lower symptomatic venous thromboembolism compared with no prophylaxis or placebo (low certainty).
1 finding from 1 review
Symptomatic catheter‐related thrombosis (up to 3 months) · children with a CVC
Does low molecular weight heparin prevent central venous… showed no clear difference in symptomatic CVC‐related thrombosis ( compared with control (low certainty).
1 finding from 1 review
Asymptomatic CVC‐related thrombosis ( · children with a CVC
Does low molecular weight heparin prevent central venous… showed no clear difference in asymptomatic CVC‐related thrombosis ( compared with control (low certainty).
1 finding from 1 review
PE (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
The review found no eligible studies for this question.
1 finding from 1 review
no estimate extracted
Studies not reported
No studies found
DVT (symptomatic, asymptomatic, non‐fatal) · people undergoing major amputation of the lower extremity
It is very uncertain whether unfractionated heparin changes DVT (symptomatic, asymptomatic, non‐fatal) (5 to 8 days after surgery) compared with low molecular weight heparin (very low certainty).
1 finding from 1 review